Visualization techniques for large N scatterplots in SPSS

When you have a large N scatterplot matrix, you frequently have dramatic over-plotting that prevents effectively presenting the relationship. Here I will give a few quick examples of simple ways to alter the typical default scatterplot to ease the presentation. I give examples in SPSS, although I suspect any statistical packages contains these options to...  Continue reading Visualization techniques for large N scatterplots in SPSS

Not participating in SPSS google group anymore, recommend using other SPSS forums

I have participated in asking and answering questions at the SPSS google group for close to two years now. I am going to stop though, as I would recommend going other places to ask and answer questions. The SPSS google group has become over-ridden with spam. Much more spam than actual questions, and I...  Continue reading Not participating in SPSS google group anymore, recommend using other SPSS forums